2) He got an electric shock because of his........catching of fish (care) 4) Don't throw away .....bottles,papers and glasses.Take them to the ......centers (use/recycle) 8) Make sure the use of ....is not harmful to farm worker's health (pest) 9) The government ought to......... up the rules on river pollution (tight) 10)Waste...... from factories has contaminated rivers (built) 11)Raising gasoline taxes means................. the burning of fossil fuels (courage ) 12)Many factories still allow ...........,such as toxic waste,to flow into our river (pollute) 14) Use public transportation or we won't ........... pollution (minimum) 15)The rising level of air pollution or air pollution has caused concern among ...... (environment) 16/ The local resident got no ........from the company about the ...... sewage discharge (respond/ treat) 17) Ba was... ill right after eating those ....... mushrooms ( serious/poison) 18) The local resients promise to keep the emvironment.............(cleanness)